Flatiron Luxury Condos: The Top Buildings

November 5, 2026

Flatiron  ·  Madison Square Park

Flatiron's Most Coveted Luxury Buildings

Five addresses that define luxury living around Madison Square Park


Flatiron's most coveted luxury buildings are the newly converted Flatiron Building at 175 Fifth Avenue, One Madison, Madison Square Park Tower, 10 Madison Square West and 212 Fifth Avenue. Four of them face Madison Square Park, and together they span more than a century of architecture, from 1902 landmarks to 65-story glass towers, with homes listed today from about $1.9 million to more than $50 million. Here's what makes each one special and what's on the market now.

5Signature buildings
1902Oldest, the Flatiron
65Floors at the tallest
$58.5MTop asking price

The Buildings

Which Flatiron buildings do luxury buyers want most?

The ones on Madison Square Park. The park is Flatiron's front lawn, and the buildings that face it command the neighborhood's highest prices. Here are five worth knowing, in order of the history they carry.

I

The Flatiron Building

175 Fifth Avenue

Built1902
ArchitectDaniel Burnham
Residences36
Floors22

The city's most famous wedge is now a home address. Brodsky, GFP Real Estate and Sorgente Group finished converting the landmark from offices into 36 condominiums this fall, with Studio Sofield interiors, a wellness floor built around a 60-foot lap pool and north-facing homes looking out over Madison Square Park.

On the marketAsking prices have ranged from about $10.95 million to $58.5 million for the full 21st floor, nearly $7,900 a square foot. See New York YIMBY.

II

One Madison

23 East 22nd Street

Built2009
ArchitectCetraRuddy
TypeGlass condo tower
DevelopersRelated, HFZ

A slender glass tower rising directly across from Madison Square Park, One Madison put Flatiron on the map for trophy buyers. Its upper floors look out over the park toward Midtown.

On the marketThree homes are listed on Compass, from $3,500,000 for a one-bedroom to $16,995,000 for a four-bedroom, with a three-bedroom asking more than $5,500 a square foot. See the building on Compass.

III

Madison Square Park Tower

45 East 22nd Street

DeveloperContinuum
ArchitectKohn Pedersen Fox
Floors65
ResidencesAbout 80

Flatiron's tallest residential tower, a 65-story cantilevered glass building by Kohn Pedersen Fox, with a full-service amenity package that includes a basketball court, billiards room and roof deck.

On the marketTwo-bedroom homes are listed on Compass from $4,150,000 to $5,195,000. See the building on Compass.

IV

10 Madison Square West

1107 Broadway

Built1915
ConvertedPre-war condo
Floors24
Residences125

The former Toy Center building on the west side of Madison Square Park, reborn as a full-service pre-war condominium with a landscaped courtyard, gym and doorman. It sits right where Flatiron meets NoMad.

On the marketListings on Compass run from $1,915,000 for a one-bedroom to $12,500,000 for a four-bedroom of 3,309 square feet, and Residence 6G signed a contract at $5,495,000 in late October, according to the Compass Manhattan Luxury Report. See the building on Compass.

V

212 Fifth Avenue

Fifth Avenue at 26th Street

Built1913
ArchitectSchwartz & Gross
Residences48
Floors21

A Neo-Gothic landmark in the Madison Square North Historic District, converted into 48 condominiums with large four-bedroom and three-bedroom layouts and an enlarged penthouse overlooking the park.

On the marketHomes here come up for sale rarely. See a residence at 212 Fifth Avenue on Compass.

Looking for a luxury home in Flatiron? Contact Darrell Williams for a private tour of what's available.

At a Glance

How do Flatiron's top buildings compare?

Three are historic conversions and two are modern towers, and asking prices span from under $2 million to more than $50 million.

Building

Built

Residences

Current asking range

The Flatiron Building

1902

36

$10.95M–$58.5M

One Madison

2009

–

$3.5M–$17.0M

Madison Square Park Tower

2010s

About 80

$4.15M–$5.2M

10 Madison Square West

1915

125

$1.9M–$12.5M

212 Fifth Avenue

1913

48

Rarely available

Asking prices from current Compass listings and public pricing for the Flatiron Building, November 2026. Final sale prices may differ.

The Neighborhood

What's it like to live in Flatiron?

Polished, central and endlessly interesting. Flatiron sits between Union Square and Madison Square Park, with Fifth Avenue and Broadway meeting at its namesake wedge. The side streets are lined with cast-iron and Beaux-Arts loft buildings, many of them now condominiums, and some of the city's best restaurants are within a few blocks.

R · WAt 23rd St and Broadway
6At 23rd St and Park Ave
F · MAnd PATH at 23rd and Sixth
6.2 acresOf Madison Square Park

Dine

  • Eleven Madison Park11 Madison Ave
    Tasting menu overlooking the park
  • Gramercy Tavern42 E 20th St
    A Flatiron classic for dinner or drinks
  • Cosme35 E 21st St
    Modern Mexican from Enrique Olvera

Shop

  • Eataly200 Fifth Ave
    Italian market and rooftop bar
  • ABC Carpet & Home888 Broadway
    Rugs, furniture and home décor
  • Rizzoli Bookstore1133 Broadway
    Art, design and architecture books

Unwind

  • Madison Square Park23rd to 26th St
    Public art and the original Shake Shack
  • Union Square GreenmarketUnion Square
    The city's best-known farmers market
  • Fifth AvenueFlagship stores between 14th and 23rd Streets

Commute

  • 23rd St and BroadwayR and W trains
  • 23rd St and Park Ave6 train
  • 23rd St and Sixth AveF, M and PATH

Looking for a luxury home in Flatiron? Contact Darrell Williams for a private tour of what's available.

Questions

Frequently asked questions

What are the best luxury condo buildings in Flatiron?

Five of the most sought-after are the newly converted Flatiron Building at 175 Fifth Avenue, One Madison at 23 East 22nd Street, Madison Square Park Tower at 45 East 22nd Street, 10 Madison Square West at 1107 Broadway and 212 Fifth Avenue. Four of the five face Madison Square Park.

Can you buy an apartment in the Flatiron Building?

Yes. The Flatiron Building has been converted into 36 condominiums, with asking prices from about $10.95 million to $58.5 million. Most homes were in contract before the conversion finished this fall.

How much do luxury condos cost in Flatiron?

At the buildings in this guide, current asking prices on Compass run from about $1.9 million for a one-bedroom to $17 million for a four-bedroom, with the Flatiron Building's top floors reaching $58.5 million.

What is the tallest residential building in Flatiron?

Madison Square Park Tower at 45 East 22nd Street, a 65-story glass condo tower designed by Kohn Pedersen Fox.

Are Flatiron condos pre-war or new construction?

Both. 10 Madison Square West (1915), 212 Fifth Avenue (1913) and the Flatiron Building (1902) are historic buildings converted into condos, while One Madison and Madison Square Park Tower are modern glass towers.

What subway lines serve Flatiron?

The R and W stop at 23rd Street and Broadway, the 6 at 23rd Street and Park Avenue, and the F, M and PATH at 23rd Street and Sixth Avenue. The 4, 5, 6, L, N, Q, R and W meet at Union Square to the south.

How do I find off-market luxury listings in Flatiron?

Many high-end homes trade privately before they're ever publicly listed. Contact Darrell Williams to hear about Flatiron homes as they become available.

Searching for a luxury home in Flatiron or around Madison Square Park? Contact Darrell Williams for a private consultation, or view my Compass profile and listings.

Work With Darrell

Darrell Williams works in Manhattan, Brooklyn, Queens, and the Bronx. His expertise includes new development sales/leasing projects, investment sales, and 1st time home buyers. Whether you're purchasing or selling, he'll keep you feeling comfortable and confident from start to end.

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